UNS S32615 High Silicon Stainless Steel Plate with High Corrosion Resistance and

Standard: ASTM A240/A240M, ASTM A480/480M

Grade: UNS S32615

Width: 1000mm, 1200mm, 1220mm, 1500mm, 1800mm, 2000mm, 2200mm

Length: 2438mm, 3000mm, 6000mm, 8000mm, 12000mm

Thickness: 0.3 - 50mm

Manufacturing Process: Hot Rolled/Cold Rolled

Surface finish: No.1, 2B

UNS S32615 is an acid-resistant austenitic stainless steel with a high silicon content that is specifically designed for use in concentrated sulfuric acid (H₂SO₄). UNS S32615 High Silicon Stainless Steel Plate offers exceptional corrosion resistance across a wide concentration range and at high temperatures. It has several advantages over other alloys and traditional materials such as cast iron, including longer equipment life, lower maintenance requirements, and ease of fabrication.

• Carbon (C) content ≤ 0.07%
• Silicon (Si) content 4.80 - 6.00%
• Manganese (Mn) content ≤ 2.00%
• Phosphorus (P) content ≤ 0.045%
• Sulfur (S) content ≤ 0.030%
• Chromium (Cr) content 16.5 - 19.5%
• Nickel (Ni) content 19.0 - 22.0%
• Molybdenum (Mo) content 0.30 - 1.50%
• Copper (Cu) content 1.50 - 2.50%

• Density: about 7.93g/cm³
• Melting point: about 1370 - 1400℃
• Specific heat capacity: about 0.50kJ・kg⁻¹・K⁻¹ (0 - 100℃)
• Thermal conductivity at 100℃: about 15.1W/m・K
• Linear expansion coefficient: about 13.5×10⁻⁶/K (0 - 1000℃)
• Resistivity at 20℃: about 7.1×10⁻⁷Ω・m
• Longitudinal elastic modulus: about 193GPa

High resistance to pitting and crevice corrosion: Excellent performance in environments containing corrosive media such as chloride ions, can effectively resist pitting and crevice corrosion, and is suitable for fields with strict requirements on corrosion resistance such as chemical industry and marine engineering.

Good high temperature oxidation resistance: UNS S32615 High Silicon Stainless Steel Plate can maintain good oxidation resistance under high temperature environment, and can be used in high temperature working environments such as high temperature furnaces and heat treatment equipment.

High strength: tensile strength is about 620-830MPa, yield strength is about 205MPa, with high load-bearing capacity, which can meet some application scenarios with high strength requirements.

Good toughness: elongation is about 40%, cross-sectional shrinkage is about 50%, it is not easy to brittle fracture when subjected to external force or deformation, and has good toughness and impact resistance.

Moderate hardness: hardness HB≤187, easy to process and manufacture.

Due to its excellent performance, UNS S32615 High Silicon Stainless Steel Plate is widely used in:

• Chemical equipment (reactors, heat exchangers, pumps and valves)
• Digesters and bleaching equipment in the papermaking industry
• Marine engineering (seawater desalination equipment and offshore platforms)
• High-temperature furnaces and heat treatment equipment
• Exhaust system components in the automotive industry

Good processability: It can be processed through a variety of processes such as forging, rolling, stretching, cutting, etc., and can meet the requirements of parts manufacturing of different shapes and sizes.

Excellent welding performance: UNS S32615 High Silicon Stainless Steel Plate is suitable for various welding processes. The strength and corrosion resistance of the joints after welding can be better guaranteed, which is convenient for the connection and assembly of structural parts.

We are a professional supplier of UNS S32615 High Silicon Stainless Steel Plate with sufficient stock all year round. You can choose from a variety of specifications. Stainless steel plates can be shipped immediately after purchase. We have our own supply, so there is no need to worry about out-of-stock issues. Welcome to inquire and purchase online!